Event: Division 3

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Opponent	Rating	Result
Glenn S Bourne	1460	0 - 1
Dave R Wingrove	1353	0 - 1
Derek I Lomax	1484	0 - 1
Derek I Lomax	1452	0 - 1
Jim A Caterer	1463	0 - 1
Finley Hitchings	1252	0 - 1
Eamonn G Howard	1330	1 - 0
Rhys Perry	0	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

924 = (9794 + 400 * (1 - 7)) / 8)